Question

Flag register of Z80 is also known as

(a) Program status register

(b) Program status address

(c) Program status word

(d) Program address register

This question was addressed to me by my college professor while I was bunking the class.

Asked question is from Microprocessor of Embedded System topic in chapter Embedded System of Embedded Systems

Answer 1

Correct choice is (c) Program status word

To elaborate: The flag register of Z80 contains status information such as carry, overflow, signed etc.